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Apply Changes to a Cluster

Warning

SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.

When scaling, updating, or upgrading the cluster, edit the sdb-cluster.yaml file and run the following command.

kubectl apply -f sdb-cluster.yaml

This will cause the Operator to scale, update, or upgrade the cluster. After running this command, wait for the cluster to become stable.

Refer to the appropriate section of this reference to determine which fields in the sdb-cluster.yaml file to scale, update, or upgrade the cluster.

Some updates can be achieved by updating the Operator’s command-line arguments rather than updating the cluster directly. For example, backups can be updated either via the sdb-operator.yaml file (which will first update the Operator, and the Operator will then update the cluster) or via the sdb-cluster.yaml file (where the Operator will remain unchanged, but will still update the cluster).

To update the cluster via the Operator’s command-line arguments, edit spec.template.spec.containers[0].args in the sdb-operator.yaml  file and add, update, or delete the desired command-line arguments.

Run the following command to apply these changes.

kubectl apply -f sdb-operator.yaml

The Operator pod will be restarted. After the new Operator pod has been started, wait for the cluster to become stable.

Last modified: September 7, 2022

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK